Necessary preliminary tasks:
NOTE: Extract brake fluid out of expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
Disconnect plug connection (1).
Release retaining screw (2).
Detach expansion tank (3) by pulling vertically upward.
IMPORTANT: Check rubber plugs (1) in brake master cylinder for damage and replace if necessary.
Push the expansion tank vertically onto the master brake cylinder.
BMW X3 Service & Repair Manual > Steering gear with servo unit: Replace electrical steering gear (eps) (N20/N47)
IMPORTANT:
Connecting line:
In the event of moisture/corrosion inside the two plug connections, check the insulation of the
connecting line. If the insulation reveals any noticeable/striking features, partial replacement
will be necessary. Otherwise it will be sufficient to replace the co ...